* {
    margin: 0;
    padding: 0;
}

.boxBig {
    width: 100%;
    height: 200px;
    background-color: white;
}

.boB01 {
    width: 1200px;
    height: 200px;
    margin: 0 auto;
}

.boB01 img {
    width: 323px;
    height: 200px;
    float: left;
}